#39748B#39748B

#39748B is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 52.9% C 0.071 H 226.0°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX#39748B
RGBrgb(57, 116, 139)
HSLhsl(197, 42%, 38%)
HSVhsv(197, 59%, 55%)
CMYKcmyk(59%, 16.5%, 0%, 45.5%)
CIE-LABlab(45.94, -12.09, -18.39)
CIE-LCHlch(45.94, 22.01, 236.67°)
OKLaboklab(52.9% -0.0493 -0.0512)
OKLCHoklch(52.9% 0.071 226)
XYZxyz(12.5911, 15.2235, 26.6960)
Luminance0.1522 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#39748B #8B5039
analogous
#398B79 #39748B #394B8B
triadic
#39748B #8B3974 #748B39
tetradic
#39748B #79398B #8B5039 #4B8B39
square
#39748B #79398B #8B5039 #4B8B39
split-complementary
#39748B #8B394B #8B7939
monochromatic
#152C34 #275060 #39748B #4C98B5 #77B1C7

Accessibility & contrast

On white

5.19
#39748B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.04
#39748B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #39748B
5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##39748B#FFFFFF#000000##FFFFFF
##39748B1.005.194.045.19
#FFFFFF5.191.0021.001.00
#0000004.0421.001.0021.00
##FFFFFF5.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#68728C
Deuteranopia (green-blind)
#5C698B
Tritanopia (blue-blind)
#007B7B
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #39748b;
/* rgb */ color: rgb(57, 116, 139);
/* oklch */ color: oklch(52.9% 0.071 226.0);
Tailwind
colors: {
  custom: {
    50: '#779cad',
    500: '#39748b',
    950: '#000000',
  },
}
SCSS
$custom: #39748b;
$custom-light: #779cad;
$custom-dark: #000000;
JSON
{
  "hex": "#39748b",
  "rgb": {
    "r": 57,
    "g": 116,
    "b": 139
  },
  "hsl": {
    "h": 196.829,
    "s": 41.837,
    "l": 38.431
  },
  "oklch": {
    "l": 0.52902,
    "c": 0.07108,
    "h": 226
  },
  "luminance": 0.15225
}

Semantic roles & 50–950 ramp

primary
#39748B
secondary
#B0826F
accent
#7956D2
background
#F7F9FA
surface
#EEF2F4
border
#C9CCCE
text
#090E10
muted
#7B7E7F

Preview Lab

Preview with #39748B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#39748B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva